Britney Spears (left) was a fresh-faced teenager when she rose to fame with her single Baby One More Time back in 1998.
owever, after giving birth to her two sons, Britney (31) found it hard to drop the pounds and seemed to have developed a weakness for junk food.
Working out and going on tour seems to have helped the singer get her figure back.
The Only Way Is Essex star Lauren Goodger struggled after gaining weight following her break-up with fiance Mark Wright.
Lauren (27), embarked on a strict diet and exercise regime which saw her quickly shedding the weight she had gained.
Steps star Claire Richards (35) has had an ongoing battle with her fluctuating weight for years since the band split in 2001.
The singer has admitted she piled on the pounds as she tried to eat herself happy. She now says she is a size 16 and happy to stay that way.